{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["machine or equipment", "application", "process characterization", "manufacturing standard", "concept or principle", "enabling technology"], "input": "To regulate the chemical composition of the deposited metal , a filler wire was added into the molten pool during the deposition process ."}
{"machine or equipment": [], "application": [], "process characterization": [], "manufacturing standard": [], "concept or principle": ["chemical composition", "molten pool"], "enabling technology": []}